72results about How to "Convenient mosaic" patented technology

The invention discloses a heating pipe for defrosting, which comprises a pipe body, wherein an electric heating wire is arranged in the pipe body, both ends of the pipe body are fixedly connected with an insulating layer, the insulating layer is connected with conducting wires, the material of the pipe body is an aluminum foil, a clearance in the pipe of the pipe body is filled with compacted magnesia sand, the material of the electric heating wire is ferrochromium, the pipe body is designed into an E shape, and the number of the conducting wires is 3. The structure is simple. The aluminum foil pipe body has very good adaptability under the conditions of low temperature and high humidity, and the insulation resistance of the low-temperature state of a pipe-shaped electric heating element is enhanced by filling the compacted magnesia sand. Meanwhile, leakage current at a low-temperature state is lowered, and the E-shaped pipe body which is exclusively arranged can be inlaid on the fins of an air cooler and a condenser and at a chassis of a water accumulating disk more conveniently for defrosting.

The invention provides a diamond-inlaid structure, a diamond inlaying method and diamond-inlaid glasses. The diamond-inlaid structure is characterized in that a jewelry body (1) is provided with through holes (3) into which a waist (22) of a diamond (2) can be mounted; edges (4) for stopping the waist (22) of the diamond (2) are arranged at one ends of the through holes (3); elastic strips (5) are sheathed on a pavilion (23) of the diamond (2) and sink toward the waist (22) of the diamond (2); and the outer edges of the elastic strips (5) are clamped with the inner walls of the through holes (3). The diamond-inlaid structure, the diamond inlaying method and the diamond-inlaid glasses have the following advantages: the loose diamond can be kept transparent and beautiful and is easier and more convenient to inlay, mount and clamp; the light from the crown and pavilion of the loose diamond is through; and the crown and pavilion of the loose diamond give cutting light transmitting effect, embody the charm of the diamond and fully show the garish colors of the diamond.

The invention discloses a diamond rabbet for jewelry. The diamond rabbet comprises a main rabbet, a primary diamond and a plurality of secondary diamonds, a primary groove for placing the primary diamond is formed in the middle of the top surface of the main rabbet, primary diamond claws are circumferentially formed in the top surface of the main rabbet at intervals and positioned on the periphery of the primary groove, secondary grooves for placing the secondary diamonds are circumferentially formed in the top surface of the main rabbet at intervals and positioned on the periphery of the primary groove, secondary diamond claws are arranged on the top surface of the main rabbet close to the periphery and positioned between adjacent secondary grooves, the primary diamond is fixed in the primary groove by the primary diamond claws, each secondary diamond is fixed in the corresponding secondary grooves by the secondary diamond claws, the top surface of each secondary diamond is inclined downwards from the center of the main rabbet to the periphery, and an included angle alpha is formed between each top surface and a horizontal line and ranges from 8 degrees to 12 degrees, so that the real diamond effect of the diamond rabbet can be improved.

The invention discloses a double-layer mesh cage type thrombus extraction stent and an assembly thereof, and belongs to the technical field of vascular intervention medical treatment. The thrombectomydevice comprises an outer tube, a support fixing tube, a head end telescopic tube, a head end guide cap and a thrombectomy support. The support fixing pipe is sleeved with the outer pipe, the near end of the head end telescopic pipe is inserted into a far end pipe opening of the support fixing pipe, and a hollow head end guide cap is fixed to the far end of the head end telescopic pipe. The thrombectomy stent is formed by sequentially connecting an olive-shaped near-end mesh cage stent and an olive-shaped far-end mesh cage stent, and the near-end mesh cage stent and the far-end mesh cage stent are each internally provided with an internal conical mesh surface used for segmented blocking. By means of the internal conical mesh surface, the effect of sectionally intercepting thrombus in thenet cage can be achieved, and the thrombus is prevented from excessively extruding the third far-end conical net surface of the far-end net cage bracket when the thrombus is more; therefore, the problem that the thrombus escapes through the third far-end conical net surface after being crushed is avoided.

The invention relates to fatty powder for aquatic animals as well as a preparation method and application thereof. The fatty powder for the aquatic animals is prepared from the following components bymass percent: 5 to 10 percent of arochidonic acid oil and a decomposition product thereof, 5 to 20 percent of medium chain triglyceride and a decomposition product thereof, 10 to 35 percent of kelp powder, 5 to 25 percent of phycocolloid prepared from three types of aquatic plants, and 15 to 40 percent of carriers. The fatty powder for the aquatic animals contains functional fatty acid which is not contained in conventional plant oil, while the fish oil or fish-oil-free feed is reduced, the special requirement of the aquatic animals for the fatty acid in the feed can be met, the fat metabolism of an aquatic animal body can also be promoted, the accumulation of the imbalanced fatty acid in the body can be reduced, the fatty liver can be reduced, the body health can be improved, and the culture benefit can be improved; and meanwhile, the fatty powder is prepared by adopting a vacuum post-spraying technology, an emulsion is sprayed onto the carrier by a vacuum post-spraying device, influence on the quality of the oxidative rancidity caused by the exposure of grease can be prevented, and the loss of the fat of the fatty powder in the granulation and feeding of the feed can also be prevented.

The invention discloses a counterweight device for detecting ballast test through an engineering pile foundation. The counterweight device comprises a bearing box and a control key, a buckle lock is fixedly mounted on the outer surface of the bearing box, a groove connecting opening is fixedly mounted in one side of the bearing box, a buffer layer is arranged on the inner surface of the bearing box, and a round storing groove is formed in one side of a square storing groove; and a box cover is arranged on the upper portion of the bearing box. According to the counterweight device for detectingballast test through the engineering pile foundation, a damping cushion layer, the groove connecting opening and an alarm are arranged, the damping buffering and protecting can be conducted on a mainbody of the equipment, the normal work of the internal components is ensured, the service life of the equipment is indirectly prolonged, all the side faces of the counterweight boxes can be conveniently and tightly inlaid with one another during stacking, the counterweight device is safe and easy to assemble, alerts can be issued when the inlaid docking is not thorough, the counterweight device is suitable for different working conditions, and the better prospects are brought to use.

The invention discloses an amphibious undulating-fin robot with a composite power generation function. According to the amphibious undulating-fin robot, an undulating-fin main body module is arranged in an undulating-fin outer shell, and the undulating-fin main body module is connected with undulating fins arranged on two sides of the undulating-fin outer shell through undulating piezoelectric material power generation modules on fin surfaces; the fin surface of each undulating fin swings in a sine-wave-like form; a solar power generation module is arranged on the surface of the undulating-fin outer shell and connected with the undulating-fin main body module; when the fin faces of the undulating fins moves, the piezoelectric material power generation devices move along with the fin surfaces to generate deformation, so power generation of the piezoelectric material power generation devices is achieved; and when the undulating fins are located on a water surface or in a land environment with sun irradiation, a solar power generation device starts to generate power, and a storage battery module provides electric energy for the whole amphibious undulating-fin robot system. According to the amphibious undulating-fin robot, the self power generation function of the amphibious undulating-fin robot is achieved, and the problem that task execution capacity and activity range are limited due to insufficient cruising ability of the amphibious robot is solved.

The invention relates to the technical field of three-element material power batteries, and particularly provides a high-temperature three-element material power battery which comprises a positive pole, a diaphragm, a negative pole, an electrolyte, a cover plate and a shell, wherein the active substance of the positive pole is a three-element positive pole material of which the nickel:cobalt:manganese ratio is 1:1:1. The positive pole current collector is carbon-coated aluminum foil. The diaphragm is a coated diaphragm, the diaphragm matrix is polypropylene, and the coating is ceramic. The negative pole is natural flaky graphite powder. The electrolyte comprises an organic solvent and an additive; the organic solvent is a mixed solution composed of 30-35 wt% of ethylene carbonate, 35-40 wt% of methylethyl carbonate and 30-35 wt% of diethyl carbonate; and the additive is a mixed solution composed of vinylene carbonate which accounts for 2-2.5 wt% of the organic solvent, 1,3-propenyl carbonate which accounts for 2-2.5 wt% of the organic solvent and propenyl sulfite which accounts for 2-2.5 wt% of the organic solvent; and 0.3-0.5mu m silica gel is coated inside the shell. The test on the product under the condition of 3000 cycles or above at high temperature is passed. In the pin-prick test period, no naked fire is seen, the shell does not explode, and thus, the power battery has higher safety.

The invention provides a preparation method of a resin substituting home decoration material. First resin and second resin are used, in-mold decoration adding injection molding is carried out, a resinproduct with a tile effect or a wood board effect can be produced, and inlaying, installing and inserting can be conveniently carried out on to-be-decorated surfaces of furniture and walls as the product is thin. The mass of the resin substituting home decoration material is smaller than wood and ceramics, and the bearing force of a building can be reduced in the aspect of carrying; the resin substituting home decoration material can replace the wood, the wood loss can be reduced, and a contribution is made to governing global warming and air pollution and preventing natural disasters of a country; the resin substituting home decoration material is not prone to being corroded and damaged by worms; the water seepage resistance is better; and the resin substituting home decoration materialdoes not contain formaldehyde and other substances harmful to the bodies. The resin substituting home decoration material is formed by an injection mold, has the high production efficiency and low production cost, and is more suitable for meeting the needs of users.

A preparation method of crystal silver catalyst adopts composite electrolysis method, i.e, utilizes metal electrodeposition method to make one or several insoluble solid granules uniformly included in metal electrolyzed. The electrocrystallized silver catalyst prepared by adopting the said method possesses the following advantages: its melting point is raised, its catalyst granules not are easy subject to aggregation or sinter, and its thermal stability also is raised.

The invention discloses a metallographic structure display method of metal powder. The method comprises the steps as follows: (1) mixing metal powder and phenolic resin to obtain a mixture; (2) placing the mixture in an automatic hot mounting press for mounting treatment to obtain a mounted sample; (3) performing precise grinding and polishing treatment on the mounted sample to obtain a metallographic sample; (4) placing the metallographic sample under a metallographic microscope for metallographic observation and analysis, taking metallographic photos, placing the metallographic sample underan electron microscope for electron microscope observation and analysis and taking electron microscope photos. The method can be effectively used for metallographic structure display of the metal powder and has the advantages of being convenient to operate, high in efficiency, green, environmentally friendly and the like.

The invention discloses an efficient-heat radiation and low-pulsation switched reluctance motor, which comprises a frame housing, a stator, a rotor, a front end cover and a rear end cover, wherein the rear part of the rear end cover is provided with a fan; a fan housing is arranged outside the fan; the stator comprises a stator iron core and a plurality of stator windings, an aluminum profile insulation sheet is embedded between adjacent two stator windings, and two ends of each aluminum profile insulation sheet are respectively connected onto the frame housing; a coolant flow hole from one end to the other end is arranged in each aluminum profile insulation sheet, the coolant flow holes in all aluminum profile insulation sheets are communicated via flow guide pipelines arranged at two ends, and the flow guide pipelines are also communicated with a heat radiation device outside the frame housing. The aluminum profile insulation sheet plays a role of reinforcing the winding coil, the stator coil and the stator can be combined more tightly, the heat radiation effects are better, the pulsation and the noise of the motor are reduced, and as the flow guide pipelines are also communicated with the heat radiation device outside the frame housing, heat inside the motor can be timely taken out.

A water-based centrifugal casting pipe die coating for large-diameter nodular cast iron is prepared by selecting a plurality of perlite and diatomite with different particle sizes as mixed refractory aggregates, matching the mixed refractory aggregates with a composite suspending agent consisting of sodium bentonite and / or lithium bentonite and carboxylated rectorite, and adding hollow microspheres and a common binder; and the coating has excellent suspension stability and high-temperature crack resistance as well as low gas-forming property, permeability and hygroscopicity. Meanwhile, a specific spraying process is adjusted and optimized, the surface of a pipe die is coated with the large-diameter nodular cast iron pipe die coating, the surface of a large-diameter nodular cast iron pipe obtained after the centrifugal casting is free of surface defects such as air holes, burnt-on sand and shrinkage cavities, and the surface quality is excellent.

The invention provides various designs for enabling a non-circular area of collimated light output or to enable tessellation of collimators. In a first aspect, a collimator arrangement comprises a plurality of collimators, each having a circular general outer shape with one or more indentation into the circular general outer shape, wherein each indentation comprises a pair of edges which meet at an internal angle and each indentation defines a pair of external angles where the cut-out meets the general outer shape. The collimators are tessellated with each internal angle adjacent one of the external angles of an adjacent collimator. In another aspect, a collimating optical structure comprises a first section comprising one or more portions of a first collimator lens design with a first diameter and a second section comprising one or more portions of a second collimator lens design with a larger, second diameter. The portions comprise sectors which together form an annular shape around the optical axis with non-constant radius from the optical axis.

The invention provides a method for enhancing interfacial properties of SMA (styrene maleic anhydride) reinforced resin intelligent composite materials. The method includes steps of firstly, washing SMA fibers by the aid of clear water; secondly, completely submerging the SMA fibers in concentrated nitric acid solution for the soaking time of 8-10 h, fetching the SMA fibers out of the concentrated nitric acid solution and thoroughly washing the SMA fibers by the aid of flowing water; thirdly, arranging nanometer SiO2 particles in isopropyl alcohol solution and stirring the nanometer SiO2 particles and the isopropyl alcohol solution to obtain mixed solution with nanometer SiO2; fourthly, covering the surfaces of SMA with the nanometer SiO2 particles by the aid of physical vapor deposition processes. The weight of the nanometer SiO2 particles accounts for 2% of the weight of the isopropyl alcohol solution. The method has the advantage that problems of easiness in falling of nanometer SiO2 particles on the surfaces of modified shape memory alloy fibers of existing industrial technological production methods and poor interfacial adhesive properties of resin composite materials with SMA used as reinforcement phases can be solved by the aid of the method.

The invention discloses an LED lamp strip substrate, an LED lamp strip and terminal equipment. The LED lamp strip substrate comprises a main body area and peninsula areas, the peninsula areas are arranged at intervals along an edge of the main body area, can be bent to form preset angles with the main body area, and are used for arranging LED flip chips, and the main body area is provided with a circuit used for connecting the LED flip chips. The LED lamp strip substrate is advantaged in that the emergent light of the LED flip chips can be effectively emitted to a side portion of the LED lampstrip substrate, the structure is simple, and the LED lamp strip substrate is easy to realize.

The invention relates to the technical field of card readers, and provides an access control card reader convenient to maintain. The access control card reader convenient to maintain comprises a device body, wherein the upper end of the device body is provided with a reading panel, a frame is connected to the lower end of the device body and located right below the reading panel, an operation panel with keys is arranged at the lower end of the device body and located on the inner side of the frame, the outer end surface of the operation panel is connected with a film sheet, and the upper sideand the lower side of the right end of the film sheet are fixedly connected with clamping blocks. Through the arrangement of the frame, the clamping blocks, buffer springs and other structures, a worker can replace the film sheet conveniently, the replacement purpose can be achieved without disassembling the whole device body, and the collision bearing capacity of the access control card reader ishigher, so that the access control card reader can be effectively prevented from being collided and damaged. In conclusion, workers can maintain the device body conveniently, the access control cardreader can be used more safely, and the self-collision prevention and shock absorption capacity is improved.

The invention discloses a ceramic mobile phone aerial capable of receiving FM signals and comprises the aerial, a lead and an FM aerial. After receiving RF signals, the aerial transfers the RF signals to an FM chip via the lead to be adjusted into FM conductive signals by the FM chip to be restored into voice via a speaker. The invention adopts built-in aerial to free a subscriber from constraintof earplug aerial so as to realize direct FM reception; the ceramic mobile phone aerial is smaller in volume and more convenient in application compared with traditional earplug aerials and digital pens which are widely applied to mobile phones for FM reception, and has adequate flexibility in installation inside the mobile phones.

A disclosed friction material comprises the following raw material components in parts by volume: 6-26 parts of a binder, 10-40 parts of rubber powder, 5-30 parts of reinforced fibers, 5-21 parts of a friction increasing filler, 10-25 parts of an anti-friction filler and 5-36 parts of other fillers, wherein the reinforced fibers are a composition of aramid pulp, mineral fibers, potassium titanate whiskers and needle-like wollastonite, the antifriction filler is a composition of a carbon material, metal sulfide and polytetrafluoroethylene powder, and the other fillers comprise fluorite, flaky iron oxide, mica and calcium hydroxide. According to the friction material, coefficient decline and metal inlay under the humid working condition are remarkably improved, the brake service life of the composite brake shoe prepared from the friction material is prolonged, the mechanical strength of the composition brake shoe is improved, the invention further provides a preparation method of the composite brake shoe, toluene organic solvents are not used, the environmental protection property is effectively improved, and the working environment of workers is optimized.

The invention discloses a mosaic method suitable for products with a diameter or thickness less than 2mm, which specifically includes the following steps: (1) selecting a mosaic method according to product requirements, wherein the mosaic method includes hot mosaic and cold mosaic; Samples with a thickness less than 2mm are laid flat in the mounting machine for a single inlay, and the inlay depth reaches 4-8mm; (3) Cool the sample after the first inlay in step (2), and then use a cutting machine to cut it longitudinally, and cut it into a small sample for the second inlay (4) The small sample after the longitudinal section in step (3) is vertically inlaid for the second time to ensure the integrity of the product; (5) The sample after the second inlay is ground, polished and analyzed according to the preparation process used for metallography; the present invention It solves the problem of inlaying products with a diameter or thickness less than 2mm without a spring clamp, and at the same time solves the problem that the sample deflection often occurs during the traditional small sample inlaying process, resulting in the inability to accurately test and analyze. This inlaying method is simple and easy, and the accuracy of the inspection and analysis data high.

The invention relates to the field of mechanical equipment, and in particular to automatic collecting and packaging integrated equipment for metal powder processing. The equipment comprises a rack, acollection and transmission mechanism, a fixing frame, a PCL cabinet, a storing and stirring mechanism, a tensioning mechanism, a first packaging mechanism and a second packaging mechanism, wherein the collection and transmission mechanism is arranged at the side of the rack and is fixed with the rack through the fixing frame; the PCL control cabinet is arranged at the inner lower part of the rack; the storing and stirring mechanism is mounted at the top of the rack; the tensioning mechanism is arranged at one side of the storing and stirring mechanism; the first packaging mechanism is mountedbelow the tensioning mechanism; and the second packaging mechanism is arranged below the first packaging mechanism. The equipment is capable of continuously processing metal powder so as to improve the working efficiency of production and processing, and is capable of packaging the metal powder more conveniently so as to be more simple in structure and convenient to operate.

The invention provides various designs for enabling a non-circular area of collimated light output or to enable tessellation of collimators. In a first aspect, a collimator arrangement comprises a plurality of collimators, each having a circular general outer shape with one or more indentation into the circular general outer shape, wherein each indentation comprises a pair of edges which meet at an internal angle and each indentation defines a pair of external angles where the cut-out meets the general outer shape. The collimators are tessellated with each internal angle adjacent one of the external angles of an adjacent collimator. In another aspect, a collimating optical structure comprises a first section comprising one or more portions of a first collimator lens design with a first diameter and a second section comprising one or more portions of a second collimator lens design with a larger, second diameter. The portions comprise sectors which together form an annular shape around the optical axis with non-constant radius from the optical axis.

The invention discloses an efficient highway subgrade maintenance pavement crack pouring device. An auxiliary cutting part of the efficient highway subgrade maintenance pavement crack pouring device sequentially comprises a hydraulic rod, a cylindrical gear, a vertical sliding rotating shaft, a bevel-gear-shaped driving gear and groove expanding assemblies from top to bottom in a rack, wherein thegroove expanding assemblies are arranged in a bilateral symmetry mode. The groove expanding assembly comprises a horizontal sliding rotating shaft, a cylindrical spring, a gasket, an auxiliary cutterand a bevel-gear-shaped driven gear, the bottom of a gear tooth gap of the driving gear is fixedly connected with rolling wheels installed on sliding rods, and all the sliding rods extend into the driving gear in a sliding fit mode and make smooth contact with the bottom end face of a sliding column capable of vertically sliding in the driving gear. The top end of the sliding column is connectedwith a compression spring, in the downward moving process of the driving gear, the rolling wheel makes extrusion contact with the top faces of gear teeth of the driven gear, and the length of the portion, capable of sliding into the driving gear, of the sliding rod needs to allow the driving gear and the driven gear to be kept in a standard meshing state. After crack pouring of pavement cracks isconducted, the crack pouring effect is good, and the durability is high.

The invention discloses a cylinder head cover sealing ring of an automobile engine, and is applied to the technical field of automobile gasoline engines. A cylinder head and bearing caps are connectedtogether through bearing cap bolts; the cylinder head cover sealing ring is embedded into a cylinder head cover, and the cylinder head cover sealing ring and the cylinder head cover are together arranged on the cylinder head through cylinder head cover bolts; the upper surface of the cylinder head is a plane sealing face D; the upper surface of each bearing cap is an arc surfacesealing face E; the intersecting position of the plane sealing face D of the cylinder head and the arc surface sealing face E of each bearing cap are sealing contact face inflection points F; the cross section of the sealing ring is of a rhombic structure; the middle part of the cross section is large, and the two ends of the cross section are small; after the sealing ring is compressed, a middle waist part deformsto make supporting more stable, and the sealing ring is not easy to incline; it is guaranteed that rubber cannot be easily extruded to overflow when the sealing ring is pressed tightly; the variationof the height is conducive to filling gaps between the parts, and the sealing effect is good. The cylinder head cover sealing ring disclosed by the invention is simple in structure, has a reasonabletechnology, meets the requirement of normal use and is capable of effectively avoiding the leakage risk of the cylinder head cover.

The invention discloses a ceramic mobile phone aerial capable of receiving FM signals and comprises the aerial, a lead and an FM aerial. After receiving RF signals, the aerial transfers the RF signals to an FM chip via the lead to be adjusted into FM conductive signals by the FM chip to be restored into voice via a speaker. The invention adopts built-in aerial to free a subscriber from constraint of earplug aerial so as to realize direct FM reception; the ceramic mobile phone aerial is smaller in volume and more convenient in application compared with traditional earplug aerials and digital pens which are widely applied to mobile phones for FM reception, and has adequate flexibility in installation inside the mobile phones.

The invention relates to a metal protecting layer based on copper oxide nanowires. The metal protecting layer comprises a copper plate substrate, a middle layer with the copper oxide nanowires growing vertically on the copper plate substrate, and a polyaniline film coated on a copper oxide nanowire thin film of the middle layer. Filler is added into the polyaniline film, and the filler refers to a mixture of Mn2O3 porous micro-spheres and TiO2 nano particles.

The embodiment of the invention relates to a wireless transceiver. The wireless transceiver comprises a flexible cable which is used for transmitting a data signal and a power supply signal and provided with a first end and a second end opposite to the first end, and the first end is provided with a USB interface; a main body part which comprises a circuit board, a wireless transmitting chip and awireless receiving chip, and the wireless transmitting chip and the wireless receiving chip are arranged on the circuit board; the wireless transmitting chip and the wireless receiving chip are arranged at intervals in the length direction of the circuit board and are electrically connected with the second end of the flexible cable through the circuit board, and the working frequency of the wireless transmitting chip and the working frequency of the wireless receiving chip are located in a millimeter wave frequency band. The wireless transceiver is suitable for being installed in a display box body of the LED display screen so as to achieve wireless transmission of image data signals between the display box bodies.